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From the article: "They settled on Supernova HB9, a star that exploded around 4,600BC." It is possible from observed supernova remnants to have a pretty good e
by Finnucane 9y ago
From the article: "They settled on Supernova HB9, a star that exploded around 4,600BC."
It is possible from observed supernova remnants to have a pretty good estimate of when the star exploded, esp. when it is relatively 'recent', astronomically speaking.